$sql_op = new simbio_dbop($dbs);
    // check if the item still on loan
    $loan_q = $dbs->query('SELECT DISTINCT l.item_code, b.title FROM loan AS l
    LEFT JOIN item AS i ON l.item_code=i.item_code
    LEFT JOIN biblio AS b ON i.biblio_id=b.biblio_id
    WHERE i.item_id=' . $id . ' AND l.is_lent=1 AND l.is_return=0');
    $loan_d = $loan_q->fetch_row();
    // send an alert if the member cant be deleted
    if ($loan_q->num_rows > 0) {
        echo '<script type="text/javascript">';
        echo 'alert(\'' . __('Item data can not be deleted because still on hold by members') . '\');';
        echo 'self.location.href = \'iframe_item_list.php?biblioID=' . $bid . '\';';
        echo '</script>';
    } else {
        $collection = utility::collection_load($dbs, $bid);
        $item = utility::item_load_by_id($dbs, $id);
        if ($sql_op->delete('item', 'item_id=' . $id)) {
            utility::writeLogs($dbs, 'staff', $_SESSION['uid'], 'bibliography', $_SESSION['realname'] . ' DELETE item data (' . $item['item_code'] . ') with title (' . $collection['title'] . ')');
            echo '<script type="text/javascript">';
            echo 'alert(\'' . __('Item succesfully removed!') . '\');';
            echo 'self.location.href = \'iframe_item_list.php?biblioID=' . $bid . '\';';
            echo '</script>';
        } else {
            echo '<script type="text/javascript">';
            echo 'alert(\'' . __('Item FAILED to removed!') . '\');';
            echo 'self.location.href = \'iframe_item_list.php?biblioID=' . $bid . '\';';
            echo '</script>';
        }
    }
}
// if biblio ID is set